Should be used as your Honey Supers or add to your hive until you are ready to extract honey. Based on the 6-7/8" 10 Frame Langstroth and made from USA Ponderosa Pine with minimal knots, grade 2 or better, this box works with any Langstroth hive. Handle grips on four sides facilitate easy handling. Frame rest lip included. Recommend assembly shortly after delivery to ensure product quality. Measurements: 16-1/4" x 19-7/8" x 6-7/8". Assembly required and assembly instructions enclosed.